Alpha, VAX and PDP-11 Virtualization
Alpha, VAX and PDP-11 Virtualization An overview of CHARON products OpenVMS Tech. Update, Bad Homburg, Sep 17-18, 2009 Dogan Baser / Sep 2009 Copyright 2001-2009 Stromasys SA 01-20-017-05 p 1 Contents • Stromasys SA • Legacy DEC systems • Hardware virtualization • CHARON products overview • Benefits Copyright 2001-2009 Stromasys SA 01-20-017-05 p 2 Stromasys SA • Former European application migration department of Digital Equipment Corporation (DEC) • Management buy-out in 1998 Æ Software Resources International SRI • Renamed to Stromasys SA in 2008 • Headquarters in Geneva, Switzerland • Focus on preserving software investments via – Hardware emulators (VAX, PDP-11, Alpha), and – Application source code migrations • Sales and support channel worldwide Copyright 2001-2009 Stromasys SA 01-20-017-05 p 3 IT applications are socio-technical systems Copyright 2001-2009 Stromasys SA 01-20-017-05 p 4 DEC computers Programmable Data Processor PDP (PDP-11: 16 bit) Virtual Address eXtension VAX (32 bit) Alpha Extended VAX (64 bit) Copyright 2001-2009 Stromasys SA 01-20-017-05 p 5 PDP-11 • Sold by DEC between 1970 and 1997 • First real time process control computer in the industry sold in large quantities • Several bus structures: UNIbus, Qbus, Massbus • Cloned several times in the Eastern Block countries – SM-4, SM-1420, SM-1600, Elektronika BK-0010, DVK, UKNC (Soviet Union) – SM-4, SM-1420, IZOT-1016 (Bulgaria) – SM-1420 (East Germany) –Mera(Poland) – SM-4 (Hungary) – I-102 (Romenia) • Several operating systems by DEC and others: – DOS/BATCH,
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